Warning: Permanently added '10.128.1.24' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 178.437189][ T3933] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 178.437194][ T3454] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 178.457177][ T5] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 178.458711][ T19] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 178.464755][ T7] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 178.482900][ T34] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 178.967292][ T3933] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 178.976652][ T3933] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 178.985228][ T7] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 178.994471][ T5] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 179.003639][ T3933] usb 1-1: Product: syz [ 179.008080][ T5] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 179.016123][ T5] usb 4-1: Product: syz [ 179.020389][ T7] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 179.027378][ T3454] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 179.028521][ T3933] usb 1-1: Manufacturer: syz [ 179.040060][ T3454] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 179.042226][ T7] usb 5-1: Product: syz [ 179.042254][ T7] usb 5-1: Manufacturer: syz [ 179.042273][ T7] usb 5-1: SerialNumber: syz [ 179.046957][ T7] usb 5-1: config 0 descriptor?? [ 179.069289][ T5] usb 4-1: Manufacturer: syz [ 179.073926][ T5] usb 4-1: SerialNumber: syz [ 179.074147][ T3454] usb 3-1: Product: syz [ 179.083560][ T34] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 179.087388][ T3933] usb 1-1: SerialNumber: syz [ 179.093068][ T19] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 179.106853][ T19] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 179.109446][ T5] usb 4-1: config 0 descriptor?? [ 179.122541][ T34] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 179.131413][ T3933] usb 1-1: config 0 descriptor?? [ 179.132813][ T3454] usb 3-1: Manufacturer: syz [ 179.145792][ T19] usb 2-1: Product: syz [ 179.156179][ T19] usb 2-1: Manufacturer: syz [ 179.162674][ T34] usb 6-1: Product: syz [ 179.168212][ T3454] usb 3-1: SerialNumber: syz [ 179.178251][ T19] usb 2-1: SerialNumber: syz [ 179.184353][ T34] usb 6-1: Manufacturer: syz [ 179.197027][ T34] usb 6-1: SerialNumber: syz [ 179.204617][ T3454] usb 3-1: config 0 descriptor?? [ 179.212725][ T19] usb 2-1: config 0 descriptor?? [ 179.228947][ T34] usb 6-1: config 0 descriptor?? [ 179.390367][ T3933] hso 1-1:0.0: Failed to find BULK IN ep [ 179.408617][ T3933] usb-storage 1-1:0.0: USB Mass Storage device detected [ 179.420025][ T5] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 179.428288][ T7] hso 5-1:0.0: Failed to find BULK IN ep [ 179.436166][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.11.0-rc2-syzkaller #0 [ 179.444344][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.454622][ T5] Workqueue: usb_hub_wq hub_event [ 179.459669][ T5] Call Trace: [ 179.462958][ T5] dump_stack+0x107/0x163 [ 179.470073][ T5] sysfs_warn_dup.cold+0x1c/0x29 [ 179.475027][ T5] sysfs_do_create_link_sd+0x11e/0x140 [ 179.480532][ T5] sysfs_create_link+0x5f/0xc0 [ 179.485291][ T5] device_add+0x789/0x1d90 [ 179.489759][ T5] ? lockdep_init_map_waits+0x26a/0x720 [ 179.495328][ T5] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 179.501675][ T5] ? __init_waitqueue_head+0x97/0x110 [ 179.507042][ T5] ? pm_runtime_init+0x2cf/0x3b0 [ 179.512019][ T5] tty_register_device_attr+0x395/0x7b0 [ 179.517580][ T5] ? send_break.part.0+0x300/0x300 [ 179.522705][ T5] ? mark_held_locks+0x9f/0xe0 [ 179.527662][ T5] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 179.533397][ T5] ? tty_port_register_device_attr+0xbc/0x110 [ 179.539479][ T5] hso_serial_common_create+0x124/0x8b0 [ 179.545049][ T5] ? unpoison_range+0x3a/0x60 [ 179.549738][ T5] hso_probe+0xef9/0x1f70 [ 179.554111][ T5] usb_probe_interface+0x315/0x7f0 [ 179.559247][ T5] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 179.564643][ T5] really_probe+0x291/0xde0 [ 179.569156][ T5] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 179.575409][ T5] driver_probe_device+0x26b/0x3d0 [ 179.580967][ T5] __device_attach_driver+0x1d1/0x290 [ 179.586330][ T5] ? driver_allows_async_probing+0x150/0x150 [ 179.592325][ T5] bus_for_each_drv+0x15f/0x1e0 [ 179.597176][ T5] ? bus_for_each_dev+0x1d0/0x1d0 [ 179.602196][ T5] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 179.608019][ T5] ? lockdep_hardirqs_on+0x79/0x100 [ 179.613239][ T5] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 179.619059][ T5] __device_attach+0x228/0x4a0 [ 179.623843][ T5] ? __driver_attach_async_helper+0x330/0x330 [ 179.629919][ T5] ? kobject_uevent_env+0x2bb/0x1680 [ 179.635269][ T5] bus_probe_device+0x1e4/0x290 [ 179.640167][ T5] device_add+0xbc4/0x1d90 [ 179.644623][ T5] ? wait_for_completion_io+0x260/0x260 [ 179.650178][ T5] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 179.656427][ T5] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 179.662249][ T5] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 179.668507][ T5] usb_set_configuration+0x113c/0x1910 [ 179.673992][ T5] usb_generic_driver_probe+0xba/0x100 [ 179.679475][ T5] usb_probe_device+0xd9/0x2c0 [ 179.684278][ T5] ? usb_driver_release_interface+0x180/0x180 [ 179.690377][ T5] really_probe+0x291/0xde0 [ 179.694911][ T5] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 179.701186][ T5] driver_probe_device+0x26b/0x3d0 [ 179.706311][ T5] __device_attach_driver+0x1d1/0x290 [ 179.711818][ T5] ? driver_allows_async_probing+0x150/0x150 [ 179.717811][ T5] bus_for_each_drv+0x15f/0x1e0 [ 179.722702][ T5] ? bus_for_each_dev+0x1d0/0x1d0 [ 179.727773][ T5] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 179.733605][ T5] ? lockdep_hardirqs_on+0x79/0x100 [ 179.738975][ T5] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 179.744852][ T5] __device_attach+0x228/0x4a0 [ 179.749613][ T5] ? __driver_attach_async_helper+0x330/0x330 [ 179.755707][ T5] ? kobject_uevent_env+0x2bb/0x1680 [ 179.761041][ T5] bus_probe_device+0x1e4/0x290 [ 179.765941][ T5] device_add+0xbc4/0x1d90 [ 179.770402][ T5] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 179.776662][ T5] ? kfree+0xdb/0x360 [ 179.780662][ T5] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 179.786921][ T5] usb_new_device.cold+0x71d/0xfe9 [ 179.792033][ T5] ? hub_disconnect+0x510/0x510 [ 179.796875][ T5] ? rwlock_bug.part.0+0x90/0x90 [ 179.801833][ T5] ? _raw_spin_unlock_irq+0x1f/0x40 [ 179.807567][ T5] hub_event+0x2348/0x42d0 [ 179.812008][ T5] ? hub_port_debounce+0x3b0/0x3b0 [ 179.817120][ T5] ? lock_release+0x710/0x710 [ 179.821828][ T5] ? lock_downgrade+0x6d0/0x6d0 [ 179.826714][ T5] ? do_raw_spin_lock+0x120/0x2b0 [ 179.831852][ T5] process_one_work+0x98d/0x15f0 [ 179.836815][ T5] ? pwq_dec_nr_in_flight+0x320/0x320 [ 179.842333][ T5] ? rwlock_bug.part.0+0x90/0x90 [ 179.847299][ T5] ? _raw_spin_lock_irq+0x41/0x50 [ 179.852375][ T5] worker_thread+0x64c/0x1120 [ 179.857084][ T5] ? process_one_work+0x15f0/0x15f0 [ 179.862301][ T5] kthread+0x3b1/0x4a0 [ 179.866366][ T5] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 179.872288][ T5] ret_from_fork+0x1f/0x30 [ 179.878900][ T3454] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 179.886403][ T3454] CPU: 1 PID: 3454 Comm: kworker/1:2 Not tainted 5.11.0-rc2-syzkaller #0 [ 179.894833][ T3454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.896300][ T7] usb-storage 5-1:0.0: USB Mass Storage device detected [ 179.904912][ T3454] Workqueue: usb_hub_wq hub_event [ 179.904941][ T3454] Call Trace: [ 179.904952][ T3454] dump_stack+0x107/0x163 [ 179.904986][ T3454] sysfs_warn_dup.cold+0x1c/0x29 [ 179.929499][ T3454] sysfs_do_create_link_sd+0x11e/0x140 [ 179.934991][ T3454] sysfs_create_link+0x5f/0xc0 [ 179.939789][ T3454] device_add+0x789/0x1d90 [ 179.944227][ T3454] ? lockdep_init_map_waits+0x26a/0x720 [ 179.949805][ T3454] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 179.956082][ T3454] ? __init_waitqueue_head+0x97/0x110 [ 179.961482][ T3454] ? pm_runtime_init+0x2cf/0x3b0 [ 179.966460][ T3454] tty_register_device_attr+0x395/0x7b0 [ 179.972048][ T3454] ? send_break.part.0+0x300/0x300 [ 179.977194][ T3454] ? mark_held_locks+0x9f/0xe0 [ 179.981987][ T3454] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 179.987733][ T3454] ? tty_port_register_device_attr+0xbc/0x110 [ 179.993823][ T3454] hso_serial_common_create+0x124/0x8b0 [ 179.999397][ T3454] ? unpoison_range+0x3a/0x60 [ 180.004114][ T3454] hso_probe+0xef9/0x1f70 [ 180.008482][ T3454] usb_probe_interface+0x315/0x7f0 [ 180.013614][ T3454] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 180.019001][ T3454] really_probe+0x291/0xde0 [ 180.023530][ T3454] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 180.029806][ T3454] driver_probe_device+0x26b/0x3d0 [ 180.034933][ T3454] __device_attach_driver+0x1d1/0x290 [ 180.040322][ T3454] ? driver_allows_async_probing+0x150/0x150 [ 180.046323][ T3454] bus_for_each_drv+0x15f/0x1e0 [ 180.051218][ T3454] ? bus_for_each_dev+0x1d0/0x1d0 [ 180.056270][ T3454] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 180.062108][ T3454] ? lockdep_hardirqs_on+0x79/0x100 [ 180.067335][ T3454] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 180.073173][ T3454] __device_attach+0x228/0x4a0 [ 180.077948][ T3454] ? __driver_attach_async_helper+0x330/0x330 [ 180.084046][ T3454] ? kobject_uevent_env+0x2bb/0x1680 [ 180.089368][ T3454] bus_probe_device+0x1e4/0x290 [ 180.094248][ T3454] device_add+0xbc4/0x1d90 [ 180.098681][ T3454] ? wait_for_completion_io+0x260/0x260 [ 180.104244][ T3454] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 180.110514][ T3454] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 180.116353][ T3454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 180.122618][ T3454] usb_set_configuration+0x113c/0x1910 [ 180.128138][ T3454] usb_generic_driver_probe+0xba/0x100 [ 180.133630][ T3454] usb_probe_device+0xd9/0x2c0 [ 180.138427][ T3454] ? usb_driver_release_interface+0x180/0x180 [ 180.144526][ T3454] really_probe+0x291/0xde0 [ 180.149067][ T3454] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 180.155415][ T3454] driver_probe_device+0x26b/0x3d0 [ 180.160628][ T3454] __device_attach_driver+0x1d1/0x290 [ 180.166081][ T3454] ? driver_allows_async_probing+0x150/0x150 [ 180.172109][ T3454] bus_for_each_drv+0x15f/0x1e0 [ 180.177009][ T3454] ? bus_for_each_dev+0x1d0/0x1d0 [ 180.182073][ T3454] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 180.187908][ T3454] ? lockdep_hardirqs_on+0x79/0x100 [ 180.193150][ T3454] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 180.199000][ T3454] __device_attach+0x228/0x4a0 [ 180.203785][ T3454] ? __driver_attach_async_helper+0x330/0x330 [ 180.209874][ T3454] ? kobject_uevent_env+0x2bb/0x1680 [ 180.215183][ T3454] bus_probe_device+0x1e4/0x290 [ 180.220062][ T3454] device_add+0xbc4/0x1d90 [ 180.224520][ T3454] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 180.230780][ T3454] ? kfree+0xdb/0x360 [ 180.234787][ T3454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 180.241156][ T3454] usb_new_device.cold+0x71d/0xfe9 [ 180.246323][ T3454] ? hub_disconnect+0x510/0x510 [ 180.251184][ T3454] ? rwlock_bug.part.0+0x90/0x90 [ 180.256158][ T3454] ? _raw_spin_unlock_irq+0x1f/0x40 [ 180.261376][ T3454] hub_event+0x2348/0x42d0 [ 180.265870][ T3454] ? hub_port_debounce+0x3b0/0x3b0 [ 180.271016][ T3454] ? lock_release+0x710/0x710 [ 180.275746][ T3454] ? lock_downgrade+0x6d0/0x6d0 [ 180.280624][ T3454] ? do_raw_spin_lock+0x120/0x2b0 [ 180.285782][ T3454] process_one_work+0x98d/0x15f0 [ 180.290747][ T3454] ? pwq_dec_nr_in_flight+0x320/0x320 [ 180.296140][ T3454] ? rwlock_bug.part.0+0x90/0x90 [ 180.301112][ T3454] ? _raw_spin_lock_irq+0x41/0x50 [ 180.306180][ T3454] worker_thread+0x64c/0x1120 [ 180.310887][ T3454] ? __kthread_parkme+0x13f/0x1e0 [ 180.315921][ T3454] ? process_one_work+0x15f0/0x15f0 [ 180.321138][ T3454] kthread+0x3b1/0x4a0 [ 180.325216][ T3454] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 180.331139][ T3454] ret_from_fork+0x1f/0x30 [ 180.336844][ T34] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' executing program executing program executing program executing program [ 180.347502][ T5] usb-storage 4-1:0.0: USB Mass Storage device detected [ 180.350989][ T19] hso 2-1:0.0: Failed to find BULK IN ep [ 180.380497][ T34] CPU: 1 PID: 34 Comm: kworker/1:1 Not tainted 5.11.0-rc2-syzkaller #0 [ 180.388807][ T34] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.398898][ T34] Workqueue: usb_hub_wq hub_event [ 180.403964][ T34] Call Trace: [ 180.407252][ T34] dump_stack+0x107/0x163 [ 180.411602][ T34] sysfs_warn_dup.cold+0x1c/0x29 [ 180.416580][ T34] sysfs_do_create_link_sd+0x11e/0x140 [ 180.422059][ T34] sysfs_create_link+0x5f/0xc0 [ 180.426836][ T34] device_add+0x789/0x1d90 [ 180.431278][ T34] ? lockdep_init_map_waits+0x26a/0x720 [ 180.436846][ T34] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 180.443103][ T34] ? __init_waitqueue_head+0x97/0x110 [ 180.448488][ T34] ? pm_runtime_init+0x2cf/0x3b0 [ 180.453462][ T34] tty_register_device_attr+0x395/0x7b0 [ 180.459036][ T34] ? send_break.part.0+0x300/0x300 [ 180.464180][ T34] ? mark_held_locks+0x9f/0xe0 [ 180.469066][ T34] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 180.474816][ T34] ? tty_port_register_device_attr+0xbc/0x110 [ 180.480926][ T34] hso_serial_common_create+0x124/0x8b0 [ 180.486495][ T34] ? unpoison_range+0x3a/0x60 [ 180.491210][ T34] hso_probe+0xef9/0x1f70 [ 180.495569][ T34] usb_probe_interface+0x315/0x7f0 [ 180.500709][ T34] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 180.506118][ T34] really_probe+0x291/0xde0 [ 180.510651][ T34] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 180.516944][ T34] driver_probe_device+0x26b/0x3d0 [ 180.522107][ T34] __device_attach_driver+0x1d1/0x290 [ 180.527526][ T34] ? driver_allows_async_probing+0x150/0x150 [ 180.533522][ T34] bus_for_each_drv+0x15f/0x1e0 [ 180.538413][ T34] ? bus_for_each_dev+0x1d0/0x1d0 [ 180.543458][ T34] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 180.549290][ T34] ? lockdep_hardirqs_on+0x79/0x100 [ 180.554502][ T34] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 180.560352][ T34] __device_attach+0x228/0x4a0 [ 180.565134][ T34] ? __driver_attach_async_helper+0x330/0x330 [ 180.571246][ T34] ? kobject_uevent_env+0x2bb/0x1680 [ 180.576581][ T34] bus_probe_device+0x1e4/0x290 [ 180.581475][ T34] device_add+0xbc4/0x1d90 [ 180.585998][ T34] ? wait_for_completion_io+0x260/0x260 [ 180.591577][ T34] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 180.597831][ T34] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 180.603658][ T34] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 180.609956][ T34] usb_set_configuration+0x113c/0x1910 [ 180.615487][ T34] usb_generic_driver_probe+0xba/0x100 [ 180.620981][ T34] usb_probe_device+0xd9/0x2c0 [ 180.625764][ T34] ? usb_driver_release_interface+0x180/0x180 [ 180.631867][ T34] really_probe+0x291/0xde0 [ 180.636410][ T34] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 180.642672][ T34] driver_probe_device+0x26b/0x3d0 [ 180.647808][ T34] __device_attach_driver+0x1d1/0x290 [ 180.653202][ T34] ? driver_allows_async_probing+0x150/0x150 [ 180.659209][ T34] bus_for_each_drv+0x15f/0x1e0 [ 180.664077][ T34] ? bus_for_each_dev+0x1d0/0x1d0 [ 180.669224][ T34] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 180.675063][ T34] ? lockdep_hardirqs_on+0x79/0x100 [ 180.680290][ T34] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 180.686132][ T34] __device_attach+0x228/0x4a0 [ 180.690907][ T34] ? __driver_attach_async_helper+0x330/0x330 [ 180.697000][ T34] ? kobject_uevent_env+0x2bb/0x1680 [ 180.702306][ T34] bus_probe_device+0x1e4/0x290 [ 180.707712][ T34] device_add+0xbc4/0x1d90 [ 180.712151][ T34] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 180.718422][ T34] ? kfree+0xdb/0x360 [ 180.722427][ T34] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 180.728717][ T34] usb_new_device.cold+0x71d/0xfe9 [ 180.733883][ T34] ? hub_disconnect+0x510/0x510 [ 180.738846][ T34] ? rwlock_bug.part.0+0x90/0x90 [ 180.743821][ T34] ? _raw_spin_unlock_irq+0x1f/0x40 [ 180.749037][ T34] hub_event+0x2348/0x42d0 [ 180.753516][ T34] ? hub_port_debounce+0x3b0/0x3b0 [ 180.758666][ T34] ? lock_release+0x710/0x710 [ 180.763387][ T34] ? lock_downgrade+0x6d0/0x6d0 [ 180.768258][ T34] ? do_raw_spin_lock+0x120/0x2b0 [ 180.773316][ T34] process_one_work+0x98d/0x15f0 [ 180.778298][ T34] ? pwq_dec_nr_in_flight+0x320/0x320 [ 180.784231][ T34] ? try_to_del_timer_sync+0xbf/0x110 [ 180.789640][ T34] worker_thread+0x64c/0x1120 [ 180.794370][ T34] ? process_one_work+0x15f0/0x15f0 executing program executing program [ 180.799607][ T34] kthread+0x3b1/0x4a0 [ 180.803694][ T34] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 180.809612][ T34] ret_from_fork+0x1f/0x30 [ 180.821275][ T3933] usb 1-1: USB disconnect, device number 2 [ 180.842299][ T19] usb-storage 2-1:0.0: USB Mass Storage device detected [ 180.907315][ T7] usb 5-1: USB disconnect, device number 2 [ 180.944486][ T5] usb 4-1: USB disconnect, device number 2 [ 180.982318][ T19] usb 2-1: USB disconnect, device number 2 [ 181.149149][ T34] usb-storage 6-1:0.0: USB Mass Storage device detected [ 181.157017][ T3454] usb-storage 3-1:0.0: USB Mass Storage device detected [ 181.247376][ T3933] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 181.267856][ T7] usb 5-1: new high-speed USB device number 3 using dummy_hcd [ 181.271259][ T34] usb 6-1: USB disconnect, device number 2 [ 181.285936][ T3454] usb 3-1: USB disconnect, device number 2 [ 181.357501][ T5] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 181.397420][ T19] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 181.707255][ T3454] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 181.714877][ T34] usb 6-1: new high-speed USB device number 3 using dummy_hcd [ 181.777566][ T3933] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 181.786790][ T3933] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 181.795383][ T3933] usb 1-1: Product: syz [ 181.800330][ T7] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 181.809613][ T3933] usb 1-1: Manufacturer: syz [ 181.814225][ T3933] usb 1-1: SerialNumber: syz [ 181.819083][ T7] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 181.828447][ T7] usb 5-1: Product: syz [ 181.832630][ T7] usb 5-1: Manufacturer: syz [ 181.842095][ T3933] usb 1-1: config 0 descriptor?? [ 181.848381][ T7] usb 5-1: SerialNumber: syz [ 181.865653][ T7] usb 5-1: config 0 descriptor?? [ 181.887848][ T5] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 181.898623][ T5] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 181.913736][ T5] usb 4-1: Product: syz [ 181.925253][ T5] usb 4-1: Manufacturer: syz [ 181.937259][ T5] usb 4-1: SerialNumber: syz [ 181.953954][ T5] usb 4-1: config 0 descriptor?? [ 181.997528][ T19] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 182.007236][ T19] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 182.016428][ T19] usb 2-1: Product: syz [ 182.021780][ T19] usb 2-1: Manufacturer: syz [ 182.026530][ T19] usb 2-1: SerialNumber: syz [ 182.035031][ T19] usb 2-1: config 0 descriptor?? [ 182.118521][ T3933] hso 1-1:0.0: Failed to find BULK IN ep [ 182.130993][ T7] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 182.140958][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.11.0-rc2-syzkaller #0 [ 182.149136][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.159213][ T7] Workqueue: usb_hub_wq hub_event [ 182.164302][ T7] Call Trace: [ 182.167594][ T7] dump_stack+0x107/0x163 [ 182.172037][ T7] sysfs_warn_dup.cold+0x1c/0x29 [ 182.177002][ T7] sysfs_do_create_link_sd+0x11e/0x140 [ 182.182482][ T7] sysfs_create_link+0x5f/0xc0 [ 182.187266][ T7] device_add+0x789/0x1d90 [ 182.191732][ T7] ? lockdep_init_map_waits+0x26a/0x720 [ 182.197323][ T7] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 182.203594][ T7] ? __init_waitqueue_head+0x97/0x110 [ 182.209000][ T7] ? pm_runtime_init+0x2cf/0x3b0 [ 182.213971][ T7] tty_register_device_attr+0x395/0x7b0 [ 182.219531][ T7] ? send_break.part.0+0x300/0x300 [ 182.224637][ T7] ? mark_held_locks+0x9f/0xe0 [ 182.229415][ T7] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 182.235148][ T7] ? tty_port_register_device_attr+0xbc/0x110 [ 182.241210][ T7] hso_serial_common_create+0x124/0x8b0 [ 182.246788][ T7] ? unpoison_range+0x3a/0x60 [ 182.251480][ T7] hso_probe+0xef9/0x1f70 [ 182.255833][ T7] usb_probe_interface+0x315/0x7f0 [ 182.260976][ T7] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 182.266379][ T7] really_probe+0x291/0xde0 [ 182.270903][ T7] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 182.277184][ T7] driver_probe_device+0x26b/0x3d0 [ 182.282302][ T7] __device_attach_driver+0x1d1/0x290 [ 182.287679][ T7] ? driver_allows_async_probing+0x150/0x150 [ 182.293662][ T7] bus_for_each_drv+0x15f/0x1e0 [ 182.298519][ T7] ? bus_for_each_dev+0x1d0/0x1d0 [ 182.303561][ T7] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 182.309402][ T7] ? lockdep_hardirqs_on+0x79/0x100 [ 182.314616][ T7] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 182.320414][ T7] __device_attach+0x228/0x4a0 [ 182.325187][ T7] ? __driver_attach_async_helper+0x330/0x330 [ 182.331254][ T7] ? kobject_uevent_env+0x2bb/0x1680 [ 182.336576][ T7] bus_probe_device+0x1e4/0x290 [ 182.341454][ T7] device_add+0xbc4/0x1d90 [ 182.345920][ T7] ? wait_for_completion_io+0x260/0x260 [ 182.354365][ T7] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 182.360602][ T7] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 182.366444][ T7] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 182.372699][ T7] usb_set_configuration+0x113c/0x1910 [ 182.378187][ T7] usb_generic_driver_probe+0xba/0x100 [ 182.383744][ T7] usb_probe_device+0xd9/0x2c0 [ 182.388529][ T7] ? usb_driver_release_interface+0x180/0x180 [ 182.394609][ T7] really_probe+0x291/0xde0 [ 182.399124][ T7] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 182.405376][ T7] driver_probe_device+0x26b/0x3d0 [ 182.410503][ T7] __device_attach_driver+0x1d1/0x290 [ 182.415924][ T7] ? driver_allows_async_probing+0x150/0x150 [ 182.421905][ T7] bus_for_each_drv+0x15f/0x1e0 [ 182.426797][ T7] ? bus_for_each_dev+0x1d0/0x1d0 [ 182.431830][ T7] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 182.437636][ T7] ? lockdep_hardirqs_on+0x79/0x100 [ 182.442870][ T7] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 182.448696][ T7] __device_attach+0x228/0x4a0 [ 182.453465][ T7] ? __driver_attach_async_helper+0x330/0x330 [ 182.459558][ T7] ? kobject_uevent_env+0x2bb/0x1680 [ 182.464857][ T7] bus_probe_device+0x1e4/0x290 [ 182.469724][ T7] device_add+0xbc4/0x1d90 [ 182.474157][ T7] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 182.480485][ T7] ? kfree+0xdb/0x360 [ 182.484480][ T7] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 182.490739][ T7] usb_new_device.cold+0x71d/0xfe9 [ 182.495874][ T7] ? hub_disconnect+0x510/0x510 [ 182.500737][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 182.505720][ T7] ? _raw_spin_unlock_irq+0x1f/0x40 [ 182.510926][ T7] hub_event+0x2348/0x42d0 [ 182.515426][ T7] ? hub_port_debounce+0x3b0/0x3b0 [ 182.520568][ T7] ? lock_release+0x710/0x710 [ 182.525294][ T7] ? lock_downgrade+0x6d0/0x6d0 [ 182.530159][ T7] ? do_raw_spin_lock+0x120/0x2b0 [ 182.535222][ T7] process_one_work+0x98d/0x15f0 [ 182.540173][ T7] ? pwq_dec_nr_in_flight+0x320/0x320 [ 182.545585][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 182.550532][ T7] ? _raw_spin_lock_irq+0x41/0x50 [ 182.555565][ T7] worker_thread+0x82b/0x1120 [ 182.560461][ T7] ? process_one_work+0x15f0/0x15f0 [ 182.565711][ T7] kthread+0x3b1/0x4a0 executing program [ 182.569821][ T7] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 182.575727][ T7] ret_from_fork+0x1f/0x30 [ 182.598509][ T5] hso 4-1:0.0: Failed to find BULK IN ep [ 182.606119][ T3933] usb-storage 1-1:0.0: USB Mass Storage device detected executing program [ 182.617951][ T19] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 182.622694][ T5] usb-storage 4-1:0.0: USB Mass Storage device detected [ 182.625429][ T19] CPU: 1 PID: 19 Comm: kworker/1:0 Not tainted 5.11.0-rc2-syzkaller #0 [ 182.640584][ T19] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.650747][ T19] Workqueue: usb_hub_wq hub_event [ 182.655802][ T19] Call Trace: [ 182.659096][ T19] dump_stack+0x107/0x163 [ 182.663719][ T19] sysfs_warn_dup.cold+0x1c/0x29 [ 182.668688][ T19] sysfs_do_create_link_sd+0x11e/0x140 [ 182.674184][ T19] sysfs_create_link+0x5f/0xc0 [ 182.679000][ T19] device_add+0x789/0x1d90 [ 182.683450][ T19] ? lockdep_init_map_waits+0x26a/0x720 [ 182.689016][ T19] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 182.695293][ T19] ? __init_waitqueue_head+0x97/0x110 [ 182.700701][ T19] ? pm_runtime_init+0x2cf/0x3b0 [ 182.705662][ T19] tty_register_device_attr+0x395/0x7b0 [ 182.711242][ T19] ? send_break.part.0+0x300/0x300 [ 182.716388][ T19] ? mark_held_locks+0x9f/0xe0 [ 182.721168][ T19] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 182.726901][ T19] ? tty_port_register_device_attr+0xbc/0x110 [ 182.732984][ T19] hso_serial_common_create+0x124/0x8b0 [ 182.738997][ T19] ? unpoison_range+0x3a/0x60 [ 182.743699][ T19] hso_probe+0xef9/0x1f70 [ 182.748054][ T19] usb_probe_interface+0x315/0x7f0 [ 182.753203][ T19] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 182.758599][ T19] really_probe+0x291/0xde0 [ 182.763142][ T19] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 182.769420][ T19] driver_probe_device+0x26b/0x3d0 [ 182.774550][ T19] __device_attach_driver+0x1d1/0x290 [ 182.779935][ T19] ? driver_allows_async_probing+0x150/0x150 [ 182.785944][ T19] bus_for_each_drv+0x15f/0x1e0 [ 182.790813][ T19] ? bus_for_each_dev+0x1d0/0x1d0 [ 182.795851][ T19] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 182.801669][ T19] ? lockdep_hardirqs_on+0x79/0x100 [ 182.806889][ T19] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 182.812974][ T19] __device_attach+0x228/0x4a0 [ 182.817747][ T19] ? __driver_attach_async_helper+0x330/0x330 [ 182.823843][ T19] ? kobject_uevent_env+0x2bb/0x1680 [ 182.829155][ T19] bus_probe_device+0x1e4/0x290 [ 182.834029][ T19] device_add+0xbc4/0x1d90 [ 182.838481][ T19] ? wait_for_completion_io+0x260/0x260 [ 182.844062][ T19] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 182.850314][ T19] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 182.856149][ T19] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 182.862419][ T19] usb_set_configuration+0x113c/0x1910 [ 182.867927][ T19] usb_generic_driver_probe+0xba/0x100 [ 182.873415][ T19] usb_probe_device+0xd9/0x2c0 [ 182.878213][ T19] ? usb_driver_release_interface+0x180/0x180 [ 182.884302][ T19] really_probe+0x291/0xde0 [ 182.888830][ T19] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 182.895100][ T19] driver_probe_device+0x26b/0x3d0 [ 182.900237][ T19] __device_attach_driver+0x1d1/0x290 [ 182.905625][ T19] ? driver_allows_async_probing+0x150/0x150 [ 182.911627][ T19] bus_for_each_drv+0x15f/0x1e0 [ 182.916497][ T19] ? bus_for_each_dev+0x1d0/0x1d0 [ 182.921544][ T19] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 182.927369][ T19] ? lockdep_hardirqs_on+0x79/0x100 [ 182.932595][ T19] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 182.938439][ T19] __device_attach+0x228/0x4a0 [ 182.943211][ T19] ? __driver_attach_async_helper+0x330/0x330 [ 182.949291][ T19] ? kobject_uevent_env+0x2bb/0x1680 [ 182.954613][ T19] bus_probe_device+0x1e4/0x290 [ 182.959497][ T19] device_add+0xbc4/0x1d90 [ 182.963951][ T19] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 182.970219][ T19] ? kfree+0xdb/0x360 [ 182.974213][ T19] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 182.980476][ T19] usb_new_device.cold+0x71d/0xfe9 [ 182.985637][ T19] ? hub_disconnect+0x510/0x510 [ 182.990503][ T19] ? rwlock_bug.part.0+0x90/0x90 [ 182.995474][ T19] ? _raw_spin_unlock_irq+0x1f/0x40 [ 183.000692][ T19] hub_event+0x2348/0x42d0 [ 183.005175][ T19] ? hub_port_debounce+0x3b0/0x3b0 [ 183.010327][ T19] ? lock_release+0x710/0x710 [ 183.015018][ T19] ? lock_downgrade+0x6d0/0x6d0 [ 183.019881][ T19] ? do_raw_spin_lock+0x120/0x2b0 [ 183.024957][ T19] process_one_work+0x98d/0x15f0 [ 183.029941][ T19] ? pwq_dec_nr_in_flight+0x320/0x320 [ 183.035351][ T19] ? rwlock_bug.part.0+0x90/0x90 [ 183.040321][ T19] ? _raw_spin_lock_irq+0x41/0x50 [ 183.045387][ T19] worker_thread+0x82b/0x1120 [ 183.050109][ T19] ? process_one_work+0x15f0/0x15f0 [ 183.055342][ T19] kthread+0x3b1/0x4a0 [ 183.059420][ T19] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 183.065332][ T19] ret_from_fork+0x1f/0x30 executing program executing program [ 183.093097][ T19] usb-storage 2-1:0.0: USB Mass Storage device detected [ 183.156327][ T5] usb 4-1: USB disconnect, device number 3 [ 183.166886][ T7] usb-storage 5-1:0.0: USB Mass Storage device detected [ 183.207447][ T34] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 183.216523][ T34] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 183.225143][ T3454] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 183.245672][ T3933] usb 1-1: USB disconnect, device number 3 [ 183.264687][ T3454] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 183.281647][ T7] usb 5-1: USB disconnect, device number 3 [ 183.281718][ T19] usb 2-1: USB disconnect, device number 3 [ 183.308963][ T34] usb 6-1: Product: syz [ 183.313244][ T3454] usb 3-1: Product: syz [ 183.334756][ T34] usb 6-1: Manufacturer: syz [ 183.347242][ T3454] usb 3-1: Manufacturer: syz [ 183.351868][ T3454] usb 3-1: SerialNumber: syz [ 183.358414][ T34] usb 6-1: SerialNumber: syz [ 183.378026][ T34] usb 6-1: config 0 descriptor?? [ 183.398118][ T3454] usb 3-1: config 0 descriptor?? [ 183.517184][ T5] usb 4-1: new high-speed USB device number 4 using dummy_hcd [ 183.607586][ T3933] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 183.628389][ T34] hso 6-1:0.0: Failed to find BULK IN ep [ 183.641925][ T34] usb-storage 6-1:0.0: USB Mass Storage device detected [ 183.668473][ T3454] hso 3-1:0.0: Failed to find BULK IN ep [ 183.677569][ T7] usb 5-1: new high-speed USB device number 4 using dummy_hcd [ 183.685833][ T3454] usb-storage 3-1:0.0: USB Mass Storage device detected [ 183.692922][ T19] usb 2-1: new high-speed USB device number 4 using dummy_hcd executing program [ 183.831580][ T34] usb 6-1: USB disconnect, device number 3 executing program [ 183.871883][ T8666] usb 3-1: USB disconnect, device number 3 [ 184.037443][ T5] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 184.046740][ T5] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 184.055163][ T5] usb 4-1: Product: syz [ 184.059726][ T5] usb 4-1: Manufacturer: syz [ 184.064422][ T5] usb 4-1: SerialNumber: syz [ 184.071341][ T5] usb 4-1: config 0 descriptor?? [ 184.127779][ T3933] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 184.137568][ T3933] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 184.145716][ T3933] usb 1-1: Product: syz [ 184.150507][ T3933] usb 1-1: Manufacturer: syz [ 184.155231][ T3933] usb 1-1: SerialNumber: syz [ 184.162178][ T3933] usb 1-1: config 0 descriptor?? [ 184.217348][ T7] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 184.226492][ T7] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 184.241658][ T7] usb 5-1: Product: syz [ 184.245854][ T7] usb 5-1: Manufacturer: syz [ 184.250848][ T7] usb 5-1: SerialNumber: syz [ 184.257877][ T34] usb 6-1: new high-speed USB device number 4 using dummy_hcd [ 184.257935][ T7] usb 5-1: config 0 descriptor?? [ 184.265609][ T8666] usb 3-1: new high-speed USB device number 4 using dummy_hcd [ 184.298130][ T19] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 184.307417][ T19] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 184.315507][ T19] usb 2-1: Product: syz [ 184.322538][ T19] usb 2-1: Manufacturer: syz [ 184.327945][ T19] usb 2-1: SerialNumber: syz [ 184.329168][ T5] hso 4-1:0.0: Failed to find BULK IN ep [ 184.348209][ T19] usb 2-1: config 0 descriptor?? [ 184.364345][ T5] usb-storage 4-1:0.0: USB Mass Storage device detected [ 184.429389][ T3933] hso 1-1:0.0: Failed to find BULK IN ep [ 184.459409][ T3933] usb-storage 1-1:0.0: USB Mass Storage device detected executing program [ 184.532014][ T7] hso 5-1:0.0: Failed to find BULK IN ep [ 184.540810][ T3933] usb 4-1: USB disconnect, device number 4 [ 184.559185][ T7] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 184.609869][ T19] hso 2-1:0.0: Failed to find BULK IN ep [ 184.637711][ T19] usb-storage 2-1:0.0: USB Mass Storage device detected [ 184.658523][ T3454] usb 1-1: USB disconnect, device number 4 executing program [ 184.735907][ T8483] usb 5-1: USB disconnect, device number 4 executing program [ 184.811351][ T8758] usb 2-1: USB disconnect, device number 4 [ 184.828385][ T34] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 184.838374][ T8666] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 184.850093][ T8666] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 184.860580][ T34] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 184.870662][ T8666] usb 3-1: Product: syz [ 184.875026][ T34] usb 6-1: Product: syz [ 184.880888][ T8666] usb 3-1: Manufacturer: syz [ 184.885684][ T34] usb 6-1: Manufacturer: syz [ 184.892078][ T8666] usb 3-1: SerialNumber: syz [ 184.896849][ T34] usb 6-1: SerialNumber: syz [ 184.905674][ T8666] usb 3-1: config 0 descriptor?? [ 184.916677][ T34] usb 6-1: config 0 descriptor?? [ 184.927223][ T3933] usb 4-1: new high-speed USB device number 5 using dummy_hcd [ 185.067212][ T3454] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 185.117279][ T8483] usb 5-1: new high-speed USB device number 5 using dummy_hcd [ 185.168316][ T34] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 185.175859][ T34] CPU: 1 PID: 34 Comm: kworker/1:1 Not tainted 5.11.0-rc2-syzkaller #0 [ 185.184107][ T34] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.194179][ T34] Workqueue: usb_hub_wq hub_event [ 185.199202][ T34] Call Trace: [ 185.202499][ T34] dump_stack+0x107/0x163 [ 185.206878][ T34] sysfs_warn_dup.cold+0x1c/0x29 [ 185.211859][ T34] sysfs_do_create_link_sd+0x11e/0x140 [ 185.217322][ T34] sysfs_create_link+0x5f/0xc0 [ 185.222130][ T34] device_add+0x789/0x1d90 [ 185.226596][ T34] ? lockdep_init_map_waits+0x26a/0x720 [ 185.232183][ T34] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 185.238448][ T34] ? __init_waitqueue_head+0x97/0x110 [ 185.243835][ T34] ? pm_runtime_init+0x2cf/0x3b0 [ 185.248792][ T34] tty_register_device_attr+0x395/0x7b0 [ 185.254355][ T34] ? send_break.part.0+0x300/0x300 [ 185.259477][ T34] ? mark_held_locks+0x9f/0xe0 [ 185.264245][ T34] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 185.270008][ T34] ? tty_port_register_device_attr+0xbc/0x110 [ 185.276113][ T34] hso_serial_common_create+0x124/0x8b0 [ 185.281678][ T34] ? unpoison_range+0x3a/0x60 [ 185.286383][ T34] hso_probe+0xef9/0x1f70 [ 185.290757][ T34] usb_probe_interface+0x315/0x7f0 [ 185.296006][ T34] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 185.301399][ T34] really_probe+0x291/0xde0 [ 185.305941][ T34] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 185.312309][ T34] driver_probe_device+0x26b/0x3d0 [ 185.317542][ T34] __device_attach_driver+0x1d1/0x290 [ 185.323054][ T34] ? driver_allows_async_probing+0x150/0x150 [ 185.329232][ T34] bus_for_each_drv+0x15f/0x1e0 [ 185.334230][ T34] ? bus_for_each_dev+0x1d0/0x1d0 [ 185.339556][ T34] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 185.345379][ T34] ? lockdep_hardirqs_on+0x79/0x100 [ 185.350595][ T34] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 185.356410][ T34] __device_attach+0x228/0x4a0 [ 185.361179][ T34] ? __driver_attach_async_helper+0x330/0x330 executing program executing program [ 185.367278][ T34] ? kobject_uevent_env+0x2bb/0x1680 [ 185.372592][ T34] bus_probe_device+0x1e4/0x290 [ 185.377476][ T34] device_add+0xbc4/0x1d90 [ 185.381947][ T34] ? wait_for_completion_io+0x260/0x260 [ 185.387548][ T34] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 185.393788][ T34] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 185.399612][ T34] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 185.405906][ T34] usb_set_configuration+0x113c/0x1910 [ 185.411430][ T34] usb_generic_driver_probe+0xba/0x100 [ 185.416948][ T34] usb_probe_device+0xd9/0x2c0 [ 185.421742][ T34] ? usb_driver_release_interface+0x180/0x180 [ 185.427834][ T34] really_probe+0x291/0xde0 [ 185.432519][ T34] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 185.439019][ T34] driver_probe_device+0x26b/0x3d0 [ 185.444178][ T34] __device_attach_driver+0x1d1/0x290 [ 185.449594][ T34] ? driver_allows_async_probing+0x150/0x150 [ 185.455616][ T34] bus_for_each_drv+0x15f/0x1e0 [ 185.457467][ T3933] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 185.460485][ T34] ? bus_for_each_dev+0x1d0/0x1d0 [ 185.460517][ T34] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 185.460548][ T34] ? lockdep_hardirqs_on+0x79/0x100 [ 185.476957][ T3933] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 185.480371][ T34] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 185.480409][ T34] __device_attach+0x228/0x4a0 [ 185.480434][ T34] ? __driver_attach_async_helper+0x330/0x330 [ 185.480463][ T34] ? kobject_uevent_env+0x2bb/0x1680 [ 185.480498][ T34] bus_probe_device+0x1e4/0x290 [ 185.480535][ T34] device_add+0xbc4/0x1d90 [ 185.480572][ T34] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 185.487351][ T3933] usb 4-1: Product: syz [ 185.493743][ T34] ? kfree+0xdb/0x360 [ 185.493773][ T34] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 185.493814][ T34] usb_new_device.cold+0x71d/0xfe9 [ 185.493856][ T34] ? hub_disconnect+0x510/0x510 [ 185.515573][ T3933] usb 4-1: Manufacturer: syz [ 185.516283][ T34] ? rwlock_bug.part.0+0x90/0x90 [ 185.516324][ T34] ? _raw_spin_unlock_irq+0x1f/0x40 [ 185.516358][ T34] hub_event+0x2348/0x42d0 [ 185.532137][ T3933] usb 4-1: SerialNumber: syz [ 185.536025][ T34] ? hub_port_debounce+0x3b0/0x3b0 [ 185.536066][ T34] ? lock_release+0x710/0x710 [ 185.536094][ T34] ? lock_downgrade+0x6d0/0x6d0 [ 185.565568][ T3933] usb 4-1: config 0 descriptor?? [ 185.565889][ T34] ? do_raw_spin_lock+0x120/0x2b0 [ 185.604773][ T34] process_one_work+0x98d/0x15f0 [ 185.609773][ T34] ? pwq_dec_nr_in_flight+0x320/0x320 [ 185.615383][ T34] ? rwlock_bug.part.0+0x90/0x90 [ 185.620352][ T34] ? _raw_spin_lock_irq+0x41/0x50 [ 185.625415][ T34] worker_thread+0x64c/0x1120 [ 185.630118][ T34] ? process_one_work+0x15f0/0x15f0 [ 185.635368][ T34] kthread+0x3b1/0x4a0 [ 185.639575][ T34] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 185.645502][ T34] ret_from_fork+0x1f/0x30 [ 185.650282][ T8758] usb 2-1: new high-speed USB device number 5 using dummy_hcd [ 185.658321][ T8666] hso 3-1:0.0: Failed to find BULK IN ep [ 185.678182][ T8666] usb-storage 3-1:0.0: USB Mass Storage device detected [ 185.722626][ T34] usb-storage 6-1:0.0: USB Mass Storage device detected [ 185.755825][ T8666] usb 3-1: USB disconnect, device number 4 [ 185.804698][ T34] usb 6-1: USB disconnect, device number 4 [ 185.848400][ T3933] hso 4-1:0.0: Failed to find BULK IN ep [ 185.857491][ T3933] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 186.049777][ T3933] usb 4-1: USB disconnect, device number 5 [ 186.097888][ T3454] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 186.108861][ T3454] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 186.117862][ T3454] usb 1-1: Product: syz [ 186.122188][ T3454] usb 1-1: Manufacturer: syz [ 186.126879][ T3454] usb 1-1: SerialNumber: syz [ 186.131927][ T8666] usb 3-1: new high-speed USB device number 5 using dummy_hcd [ 186.142226][ T3454] usb 1-1: config 0 descriptor?? [ 186.187992][ T34] usb 6-1: new high-speed USB device number 5 using dummy_hcd [ 186.217476][ T8483] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 186.227806][ T8483] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 186.235933][ T8483] usb 5-1: Product: syz [ 186.241190][ T8483] usb 5-1: Manufacturer: syz [ 186.245933][ T8483] usb 5-1: SerialNumber: syz [ 186.253385][ T8483] usb 5-1: config 0 descriptor?? [ 186.258770][ T8758] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 186.269353][ T8758] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 186.278744][ T8758] usb 2-1: Product: syz [ 186.283165][ T8758] usb 2-1: Manufacturer: syz [ 186.290185][ T8758] usb 2-1: SerialNumber: syz [ 186.300636][ T8758] usb 2-1: config 0 descriptor?? [ 186.417181][ T3933] usb 4-1: new high-speed USB device number 6 using dummy_hcd [ 186.429557][ T3454] hso 1-1:0.0: Failed to find BULK IN ep [ 186.438601][ T3454] usb-storage 1-1:0.0: USB Mass Storage device detected [ 186.538622][ T8483] hso 5-1:0.0: Failed to find BULK IN ep [ 186.551008][ T8483] usb-storage 5-1:0.0: USB Mass Storage device detected [ 186.559837][ T8758] hso 2-1:0.0: Failed to find BULK IN ep [ 186.570932][ T8758] usb-storage 2-1:0.0: USB Mass Storage device detected executing program [ 186.631739][ T8483] usb 1-1: USB disconnect, device number 5 executing program [ 186.740428][ T8487] usb 5-1: USB disconnect, device number 5 [ 186.761059][ T7] usb 2-1: USB disconnect, device number 5 [ 186.767780][ T8666] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 executing program [ 186.787384][ T34] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 186.798923][ T8666] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 186.814816][ T34] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 186.831641][ T8666] usb 3-1: Product: syz [ 186.836016][ T34] usb 6-1: Product: syz [ 186.841697][ T8666] usb 3-1: Manufacturer: syz [ 186.846441][ T34] usb 6-1: Manufacturer: syz [ 186.859697][ T8666] usb 3-1: SerialNumber: syz [ 186.864909][ T34] usb 6-1: SerialNumber: syz [ 186.874263][ T8666] usb 3-1: config 0 descriptor?? [ 186.884847][ T34] usb 6-1: config 0 descriptor?? [ 186.937435][ T3933] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 186.952504][ T3933] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 186.971007][ T3933] usb 4-1: Product: syz [ 186.975194][ T3933] usb 4-1: Manufacturer: syz [ 186.984997][ T3933] usb 4-1: SerialNumber: syz [ 186.992122][ T3933] usb 4-1: config 0 descriptor?? [ 187.087190][ T8483] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 187.138177][ T34] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 187.145721][ T34] CPU: 1 PID: 34 Comm: kworker/1:1 Not tainted 5.11.0-rc2-syzkaller #0 [ 187.147142][ T8487] usb 5-1: new high-speed USB device number 6 using dummy_hcd [ 187.153961][ T34] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.153979][ T34] Workqueue: usb_hub_wq hub_event [ 187.154010][ T34] Call Trace: [ 187.154021][ T34] dump_stack+0x107/0x163 [ 187.154057][ T34] sysfs_warn_dup.cold+0x1c/0x29 [ 187.177514][ T7] usb 2-1: new high-speed USB device number 6 using dummy_hcd [ 187.179939][ T34] sysfs_do_create_link_sd+0x11e/0x140 [ 187.202265][ T34] sysfs_create_link+0x5f/0xc0 [ 187.207060][ T34] device_add+0x789/0x1d90 [ 187.211697][ T34] ? lockdep_init_map_waits+0x26a/0x720 [ 187.217275][ T34] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 187.223555][ T34] ? __init_waitqueue_head+0x97/0x110 [ 187.228926][ T34] ? pm_runtime_init+0x2cf/0x3b0 [ 187.234275][ T34] tty_register_device_attr+0x395/0x7b0 [ 187.239862][ T34] ? send_break.part.0+0x300/0x300 [ 187.245002][ T34] ? mark_held_locks+0x9f/0xe0 [ 187.249791][ T34] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 187.255526][ T34] ? tty_port_register_device_attr+0xbc/0x110 [ 187.257699][ T3933] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 187.261604][ T34] hso_serial_common_create+0x124/0x8b0 [ 187.274723][ T34] ? unpoison_range+0x3a/0x60 [ 187.279451][ T34] hso_probe+0xef9/0x1f70 [ 187.283817][ T34] usb_probe_interface+0x315/0x7f0 [ 187.288958][ T34] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 187.294371][ T34] really_probe+0x291/0xde0 [ 187.298892][ T34] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 187.305159][ T34] driver_probe_device+0x26b/0x3d0 [ 187.310292][ T34] __device_attach_driver+0x1d1/0x290 [ 187.315703][ T34] ? driver_allows_async_probing+0x150/0x150 [ 187.321715][ T34] bus_for_each_drv+0x15f/0x1e0 [ 187.326614][ T34] ? bus_for_each_dev+0x1d0/0x1d0 [ 187.332120][ T34] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 187.338057][ T34] ? lockdep_hardirqs_on+0x79/0x100 [ 187.343284][ T34] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 187.349118][ T34] __device_attach+0x228/0x4a0 [ 187.353928][ T34] ? __driver_attach_async_helper+0x330/0x330 [ 187.360021][ T34] ? kobject_uevent_env+0x2bb/0x1680 [ 187.365341][ T34] bus_probe_device+0x1e4/0x290 [ 187.370265][ T34] device_add+0xbc4/0x1d90 [ 187.374749][ T34] ? wait_for_completion_io+0x260/0x260 [ 187.380319][ T34] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 187.386573][ T34] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 187.392589][ T34] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 187.398887][ T34] usb_set_configuration+0x113c/0x1910 [ 187.404392][ T34] usb_generic_driver_probe+0xba/0x100 [ 187.409899][ T34] usb_probe_device+0xd9/0x2c0 [ 187.414694][ T34] ? usb_driver_release_interface+0x180/0x180 [ 187.420793][ T34] really_probe+0x291/0xde0 [ 187.425343][ T34] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 187.431621][ T34] driver_probe_device+0x26b/0x3d0 [ 187.436781][ T34] __device_attach_driver+0x1d1/0x290 [ 187.442181][ T34] ? driver_allows_async_probing+0x150/0x150 [ 187.448195][ T34] bus_for_each_drv+0x15f/0x1e0 [ 187.453069][ T34] ? bus_for_each_dev+0x1d0/0x1d0 [ 187.458102][ T34] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 187.463928][ T34] ? lockdep_hardirqs_on+0x79/0x100 [ 187.469588][ T34] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 187.475499][ T34] __device_attach+0x228/0x4a0 [ 187.480276][ T34] ? __driver_attach_async_helper+0x330/0x330 [ 187.486463][ T34] ? kobject_uevent_env+0x2bb/0x1680 [ 187.491790][ T34] bus_probe_device+0x1e4/0x290 [ 187.496700][ T34] device_add+0xbc4/0x1d90 [ 187.501149][ T34] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 187.507403][ T34] ? kfree+0xdb/0x360 [ 187.511412][ T34] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 187.517681][ T34] usb_new_device.cold+0x71d/0xfe9 [ 187.522842][ T34] ? hub_disconnect+0x510/0x510 [ 187.527723][ T34] ? rwlock_bug.part.0+0x90/0x90 [ 187.532791][ T34] ? _raw_spin_unlock_irq+0x1f/0x40 [ 187.538011][ T34] hub_event+0x2348/0x42d0 [ 187.542475][ T34] ? hub_port_debounce+0x3b0/0x3b0 [ 187.547605][ T34] ? lock_release+0x710/0x710 [ 187.552492][ T34] ? lock_downgrade+0x6d0/0x6d0 [ 187.557356][ T34] ? do_raw_spin_lock+0x120/0x2b0 [ 187.562428][ T34] process_one_work+0x98d/0x15f0 [ 187.567420][ T34] ? pwq_dec_nr_in_flight+0x320/0x320 [ 187.572829][ T34] ? rwlock_bug.part.0+0x90/0x90 [ 187.577780][ T34] ? _raw_spin_lock_irq+0x41/0x50 [ 187.582846][ T34] worker_thread+0x82b/0x1120 [ 187.587569][ T34] ? process_one_work+0x15f0/0x15f0 [ 187.592799][ T34] kthread+0x3b1/0x4a0 [ 187.596879][ T34] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 187.602807][ T34] ret_from_fork+0x1f/0x30 [ 187.612821][ T3933] CPU: 0 PID: 3933 Comm: kworker/0:3 Not tainted 5.11.0-rc2-syzkaller #0 [ 187.621139][ T8666] hso 3-1:0.0: Failed to find BULK IN ep [ 187.621272][ T3933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.637082][ T3933] Workqueue: usb_hub_wq hub_event [ 187.642135][ T3933] Call Trace: [ 187.645452][ T3933] dump_stack+0x107/0x163 [ 187.649841][ T3933] sysfs_warn_dup.cold+0x1c/0x29 [ 187.654811][ T3933] sysfs_do_create_link_sd+0x11e/0x140 [ 187.660314][ T3933] sysfs_create_link+0x5f/0xc0 [ 187.665133][ T3933] device_add+0x789/0x1d90 [ 187.669609][ T3933] ? lockdep_init_map_waits+0x26a/0x720 [ 187.675181][ T3933] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 187.679566][ T34] usb-storage 6-1:0.0: USB Mass Storage device detected [ 187.681460][ T3933] ? __init_waitqueue_head+0x97/0x110 [ 187.681491][ T3933] ? pm_runtime_init+0x2cf/0x3b0 [ 187.681530][ T3933] tty_register_device_attr+0x395/0x7b0 [ 187.704315][ T3933] ? send_break.part.0+0x300/0x300 [ 187.709468][ T3933] ? mark_held_locks+0x9f/0xe0 [ 187.714280][ T3933] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 187.720030][ T3933] ? tty_port_register_device_attr+0xbc/0x110 [ 187.726113][ T3933] hso_serial_common_create+0x124/0x8b0 [ 187.731678][ T3933] ? unpoison_range+0x3a/0x60 [ 187.736447][ T3933] hso_probe+0xef9/0x1f70 [ 187.740799][ T3933] usb_probe_interface+0x315/0x7f0 [ 187.745948][ T3933] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 187.751349][ T3933] really_probe+0x291/0xde0 [ 187.755879][ T3933] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 187.762147][ T3933] driver_probe_device+0x26b/0x3d0 [ 187.767277][ T3933] __device_attach_driver+0x1d1/0x290 [ 187.772665][ T3933] ? driver_allows_async_probing+0x150/0x150 [ 187.778683][ T3933] bus_for_each_drv+0x15f/0x1e0 [ 187.783570][ T3933] ? bus_for_each_dev+0x1d0/0x1d0 [ 187.788607][ T3933] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 187.794514][ T3933] ? lockdep_hardirqs_on+0x79/0x100 [ 187.799723][ T3933] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 187.805578][ T3933] __device_attach+0x228/0x4a0 [ 187.810372][ T3933] ? __driver_attach_async_helper+0x330/0x330 [ 187.816545][ T3933] ? kobject_uevent_env+0x2bb/0x1680 [ 187.821869][ T3933] bus_probe_device+0x1e4/0x290 [ 187.826742][ T3933] device_add+0xbc4/0x1d90 [ 187.831683][ T3933] ? wait_for_completion_io+0x260/0x260 [ 187.837268][ T3933] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 187.843809][ T3933] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 187.849630][ T3933] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 187.855918][ T3933] usb_set_configuration+0x113c/0x1910 [ 187.861420][ T3933] usb_generic_driver_probe+0xba/0x100 [ 187.867058][ T3933] usb_probe_device+0xd9/0x2c0 [ 187.871961][ T3933] ? usb_driver_release_interface+0x180/0x180 [ 187.878312][ T3933] really_probe+0x291/0xde0 [ 187.882842][ T3933] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 187.889118][ T3933] driver_probe_device+0x26b/0x3d0 [ 187.894262][ T3933] __device_attach_driver+0x1d1/0x290 [ 187.899651][ T3933] ? driver_allows_async_probing+0x150/0x150 [ 187.905654][ T3933] bus_for_each_drv+0x15f/0x1e0 [ 187.910520][ T3933] ? bus_for_each_dev+0x1d0/0x1d0 [ 187.915556][ T3933] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 187.921398][ T3933] ? lockdep_hardirqs_on+0x79/0x100 [ 187.926893][ T3933] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 187.932719][ T3933] __device_attach+0x228/0x4a0 [ 187.937510][ T3933] ? __driver_attach_async_helper+0x330/0x330 [ 187.943592][ T3933] ? kobject_uevent_env+0x2bb/0x1680 [ 187.948895][ T3933] bus_probe_device+0x1e4/0x290 [ 187.953957][ T3933] device_add+0xbc4/0x1d90 [ 187.958657][ T3933] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 187.964928][ T3933] ? kfree+0xdb/0x360 [ 187.968935][ T3933] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 187.975306][ T3933] usb_new_device.cold+0x71d/0xfe9 [ 187.980491][ T3933] ? hub_disconnect+0x510/0x510 [ 187.985351][ T3933] ? rwlock_bug.part.0+0x90/0x90 [ 187.990318][ T3933] ? _raw_spin_unlock_irq+0x1f/0x40 [ 187.995535][ T3933] hub_event+0x2348/0x42d0 [ 188.000006][ T3933] ? hub_port_debounce+0x3b0/0x3b0 [ 188.005239][ T3933] ? lock_release+0x710/0x710 [ 188.009930][ T3933] ? lock_downgrade+0x6d0/0x6d0 [ 188.014817][ T3933] ? do_raw_spin_lock+0x120/0x2b0 [ 188.019875][ T3933] process_one_work+0x98d/0x15f0 [ 188.024873][ T3933] ? pwq_dec_nr_in_flight+0x320/0x320 [ 188.030267][ T3933] ? rwlock_bug.part.0+0x90/0x90 [ 188.035230][ T3933] ? _raw_spin_lock_irq+0x41/0x50 executing program executing program executing program [ 188.040277][ T3933] worker_thread+0x64c/0x1120 [ 188.044976][ T3933] ? __kthread_parkme+0x13f/0x1e0 [ 188.050010][ T3933] ? process_one_work+0x15f0/0x15f0 [ 188.055238][ T3933] kthread+0x3b1/0x4a0 [ 188.059317][ T3933] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 188.065349][ T3933] ret_from_fork+0x1f/0x30 [ 188.071850][ T8666] usb-storage 3-1:0.0: USB Mass Storage device detected [ 188.182607][ T3933] usb-storage 4-1:0.0: USB Mass Storage device detected [ 188.262534][ T34] usb 6-1: USB disconnect, device number 5 [ 188.298074][ T3933] usb 4-1: USB disconnect, device number 6 [ 188.312923][ T8666] usb 3-1: USB disconnect, device number 5 [ 188.328038][ T8487] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 188.347355][ T7] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 188.356428][ T7] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 188.368053][ T8487] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 188.376329][ T8487] usb 5-1: Product: syz [ 188.383731][ T7] usb 2-1: Product: syz [ 188.397909][ T8487] usb 5-1: Manufacturer: syz [ 188.407838][ T7] usb 2-1: Manufacturer: syz [ 188.412460][ T7] usb 2-1: SerialNumber: syz [ 188.421808][ T8487] usb 5-1: SerialNumber: syz [ 188.431635][ T8487] usb 5-1: config 0 descriptor?? [ 188.439150][ T7] usb 2-1: config 0 descriptor?? [ 188.567425][ T8483] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 188.576617][ T8483] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 188.585947][ T8483] usb 1-1: Product: syz [ 188.590761][ T8483] usb 1-1: Manufacturer: syz [ 188.595405][ T8483] usb 1-1: SerialNumber: syz [ 188.605622][ T8483] usb 1-1: config 0 descriptor?? [ 188.657363][ T34] usb 6-1: new high-speed USB device number 6 using dummy_hcd [ 188.657378][ T3933] usb 4-1: new high-speed USB device number 7 using dummy_hcd [ 188.688655][ T8487] hso 5-1:0.0: Failed to find BULK IN ep [ 188.703274][ T7] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 188.707415][ T8666] usb 3-1: new high-speed USB device number 6 using dummy_hcd [ 188.712300][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.11.0-rc2-syzkaller #0 [ 188.726523][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 188.736623][ T7] Workqueue: usb_hub_wq hub_event [ 188.741671][ T7] Call Trace: [ 188.744940][ T7] dump_stack+0x107/0x163 [ 188.749294][ T7] sysfs_warn_dup.cold+0x1c/0x29 [ 188.754242][ T7] sysfs_do_create_link_sd+0x11e/0x140 [ 188.759726][ T7] sysfs_create_link+0x5f/0xc0 [ 188.764511][ T7] device_add+0x789/0x1d90 [ 188.768948][ T7] ? lockdep_init_map_waits+0x26a/0x720 [ 188.774509][ T7] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 188.780748][ T7] ? __init_waitqueue_head+0x97/0x110 [ 188.786110][ T7] ? pm_runtime_init+0x2cf/0x3b0 [ 188.791060][ T7] tty_register_device_attr+0x395/0x7b0 [ 188.796618][ T7] ? send_break.part.0+0x300/0x300 [ 188.801739][ T7] ? mark_held_locks+0x9f/0xe0 [ 188.806514][ T7] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 188.812236][ T7] ? tty_port_register_device_attr+0xbc/0x110 [ 188.818325][ T7] hso_serial_common_create+0x124/0x8b0 [ 188.823885][ T7] ? unpoison_range+0x3a/0x60 [ 188.828557][ T7] hso_probe+0xef9/0x1f70 [ 188.832899][ T7] usb_probe_interface+0x315/0x7f0 [ 188.838021][ T7] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 188.843401][ T7] really_probe+0x291/0xde0 [ 188.847910][ T7] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 188.854159][ T7] driver_probe_device+0x26b/0x3d0 [ 188.859269][ T7] __device_attach_driver+0x1d1/0x290 [ 188.864636][ T7] ? driver_allows_async_probing+0x150/0x150 [ 188.870605][ T7] bus_for_each_drv+0x15f/0x1e0 [ 188.875463][ T7] ? bus_for_each_dev+0x1d0/0x1d0 [ 188.880500][ T7] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 188.886314][ T7] ? lockdep_hardirqs_on+0x79/0x100 [ 188.891503][ T7] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 188.897320][ T7] __device_attach+0x228/0x4a0 [ 188.902072][ T7] ? __driver_attach_async_helper+0x330/0x330 [ 188.908154][ T7] ? kobject_uevent_env+0x2bb/0x1680 [ 188.913444][ T7] bus_probe_device+0x1e4/0x290 [ 188.918303][ T7] device_add+0xbc4/0x1d90 [ 188.922723][ T7] ? wait_for_completion_io+0x260/0x260 [ 188.928291][ T7] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 188.934539][ T7] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 188.940358][ T7] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 188.946973][ T7] usb_set_configuration+0x113c/0x1910 [ 188.952450][ T7] usb_generic_driver_probe+0xba/0x100 [ 188.957916][ T7] usb_probe_device+0xd9/0x2c0 [ 188.962690][ T7] ? usb_driver_release_interface+0x180/0x180 [ 188.968766][ T7] really_probe+0x291/0xde0 [ 188.973276][ T7] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 188.979532][ T7] driver_probe_device+0x26b/0x3d0 [ 188.984647][ T7] __device_attach_driver+0x1d1/0x290 [ 188.990020][ T7] ? driver_allows_async_probing+0x150/0x150 [ 188.995995][ T7] bus_for_each_drv+0x15f/0x1e0 [ 189.000851][ T7] ? bus_for_each_dev+0x1d0/0x1d0 [ 189.005886][ T7] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 189.012116][ T7] ? lockdep_hardirqs_on+0x79/0x100 [ 189.017320][ T7] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 189.023221][ T7] __device_attach+0x228/0x4a0 [ 189.027995][ T7] ? __driver_attach_async_helper+0x330/0x330 [ 189.034154][ T7] ? kobject_uevent_env+0x2bb/0x1680 [ 189.039433][ T7] bus_probe_device+0x1e4/0x290 [ 189.044286][ T7] device_add+0xbc4/0x1d90 [ 189.048707][ T7] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 189.054957][ T7] ? kfree+0xdb/0x360 [ 189.058968][ T7] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 189.065229][ T7] usb_new_device.cold+0x71d/0xfe9 [ 189.070342][ T7] ? hub_disconnect+0x510/0x510 [ 189.075194][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 189.080230][ T7] ? _raw_spin_unlock_irq+0x1f/0x40 [ 189.085487][ T7] hub_event+0x2348/0x42d0 [ 189.089938][ T7] ? hub_port_debounce+0x3b0/0x3b0 [ 189.095055][ T7] ? lock_release+0x710/0x710 [ 189.099720][ T7] ? lock_downgrade+0x6d0/0x6d0 [ 189.104585][ T7] process_one_work+0x98d/0x15f0 [ 189.109539][ T7] ? pwq_dec_nr_in_flight+0x320/0x320 [ 189.114924][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 189.119887][ T7] ? _raw_spin_lock_irq+0x41/0x50 [ 189.124921][ T7] worker_thread+0x64c/0x1120 [ 189.129596][ T7] ? process_one_work+0x15f0/0x15f0 [ 189.134800][ T7] kthread+0x3b1/0x4a0 [ 189.138876][ T7] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 189.144774][ T7] ret_from_fork+0x1f/0x30 [ 189.150973][ T8487] usb-storage 5-1:0.0: USB Mass Storage device detected executing program executing program [ 189.160407][ T8483] hso 1-1:0.0: Failed to find BULK IN ep [ 189.165642][ T7] usb-storage 2-1:0.0: USB Mass Storage device detected [ 189.193604][ T8483] usb-storage 1-1:0.0: USB Mass Storage device detected [ 189.217973][ T8487] usb 5-1: USB disconnect, device number 6 [ 189.265000][ T7] usb 2-1: USB disconnect, device number 6 executing program [ 189.359759][ T8758] usb 1-1: USB disconnect, device number 6 [ 189.557299][ T3933] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 189.566537][ T3933] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 189.574807][ T3933] usb 4-1: Product: syz [ 189.579190][ T3933] usb 4-1: Manufacturer: syz [ 189.583875][ T3933] usb 4-1: SerialNumber: syz [ 189.591596][ T3933] usb 4-1: config 0 descriptor?? [ 189.600075][ T8487] usb 5-1: new high-speed USB device number 7 using dummy_hcd [ 189.677440][ T7] usb 2-1: new high-speed USB device number 7 using dummy_hcd [ 189.697605][ T34] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 189.707282][ T34] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 189.715357][ T34] usb 6-1: Product: syz [ 189.720221][ T8666] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 189.729343][ T34] usb 6-1: Manufacturer: syz [ 189.734058][ T34] usb 6-1: SerialNumber: syz [ 189.738924][ T8758] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 189.746528][ T8666] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 189.754703][ T8666] usb 3-1: Product: syz [ 189.759661][ T8666] usb 3-1: Manufacturer: syz [ 189.764887][ T8666] usb 3-1: SerialNumber: syz [ 189.770280][ T34] usb 6-1: config 0 descriptor?? [ 189.788503][ T8666] usb 3-1: config 0 descriptor?? [ 189.849481][ T3933] hso 4-1:0.0: Failed to find BULK IN ep [ 189.865065][ T3933] usb-storage 4-1:0.0: USB Mass Storage device detected [ 190.038230][ T8666] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 190.045848][ T8666] CPU: 1 PID: 8666 Comm: kworker/1:6 Not tainted 5.11.0-rc2-syzkaller #0 [ 190.054287][ T8666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 190.064355][ T8666] Workqueue: usb_hub_wq hub_event [ 190.069400][ T8666] Call Trace: [ 190.072676][ T8666] dump_stack+0x107/0x163 [ 190.077023][ T8666] sysfs_warn_dup.cold+0x1c/0x29 [ 190.082184][ T8666] sysfs_do_create_link_sd+0x11e/0x140 [ 190.087850][ T8666] sysfs_create_link+0x5f/0xc0 [ 190.092673][ T8666] device_add+0x789/0x1d90 [ 190.097124][ T8666] ? lockdep_init_map_waits+0x26a/0x720 [ 190.102696][ T8666] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 190.108942][ T8666] ? __init_waitqueue_head+0x97/0x110 [ 190.114339][ T8666] ? pm_runtime_init+0x2cf/0x3b0 [ 190.119284][ T8666] tty_register_device_attr+0x395/0x7b0 [ 190.124841][ T8666] ? send_break.part.0+0x300/0x300 [ 190.127485][ T8487] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 190.130001][ T8666] ? mark_held_locks+0x9f/0xe0 [ 190.130039][ T8666] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 190.139491][ T8487] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 190.143916][ T8666] ? tty_port_register_device_attr+0xbc/0x110 [ 190.143958][ T8666] hso_serial_common_create+0x124/0x8b0 [ 190.143992][ T8666] ? unpoison_range+0x3a/0x60 [ 190.144027][ T8666] hso_probe+0xef9/0x1f70 [ 190.163848][ T8487] usb 5-1: Product: syz [ 190.164134][ T8666] usb_probe_interface+0x315/0x7f0 [ 190.171686][ T8487] usb 5-1: Manufacturer: syz [ 190.174372][ T8666] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 190.174410][ T8666] really_probe+0x291/0xde0 [ 190.174436][ T8666] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 190.174472][ T8666] driver_probe_device+0x26b/0x3d0 [ 190.182162][ T8487] usb 5-1: SerialNumber: syz [ 190.182950][ T8666] __device_attach_driver+0x1d1/0x290 [ 190.196772][ T8487] usb 5-1: config 0 descriptor?? [ 190.198616][ T8666] ? driver_allows_async_probing+0x150/0x150 [ 190.198647][ T8666] bus_for_each_drv+0x15f/0x1e0 [ 190.198679][ T8666] ? bus_for_each_dev+0x1d0/0x1d0 [ 190.198705][ T8666] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 190.198741][ T8666] ? lockdep_hardirqs_on+0x79/0x100 [ 190.198768][ T8666] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 190.198799][ T8666] __device_attach+0x228/0x4a0 [ 190.198823][ T8666] ? __driver_attach_async_helper+0x330/0x330 [ 190.198850][ T8666] ? kobject_uevent_env+0x2bb/0x1680 [ 190.198891][ T8666] bus_probe_device+0x1e4/0x290 [ 190.247629][ T7] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 190.251275][ T8666] device_add+0xbc4/0x1d90 [ 190.256471][ T7] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 190.262266][ T8666] ? wait_for_completion_io+0x260/0x260 [ 190.262298][ T8666] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 190.262325][ T8666] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 190.262352][ T8666] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 190.262391][ T8666] usb_set_configuration+0x113c/0x1910 [ 190.326124][ T7] usb 2-1: Product: syz [ 190.328684][ T8666] usb_generic_driver_probe+0xba/0x100 [ 190.328725][ T8666] usb_probe_device+0xd9/0x2c0 [ 190.328760][ T8666] ? usb_driver_release_interface+0x180/0x180 [ 190.328790][ T8666] really_probe+0x291/0xde0 [ 190.328815][ T8666] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 190.328850][ T8666] driver_probe_device+0x26b/0x3d0 [ 190.328883][ T8666] __device_attach_driver+0x1d1/0x290 [ 190.328910][ T8666] ? driver_allows_async_probing+0x150/0x150 [ 190.354595][ T7] usb 2-1: Manufacturer: syz executing program [ 190.354854][ T8666] bus_for_each_drv+0x15f/0x1e0 [ 190.378940][ T7] usb 2-1: SerialNumber: syz [ 190.382044][ T8666] ? bus_for_each_dev+0x1d0/0x1d0 [ 190.382079][ T8666] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 190.382110][ T8666] ? lockdep_hardirqs_on+0x79/0x100 [ 190.382137][ T8666] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 190.417968][ T8666] __device_attach+0x228/0x4a0 [ 190.422791][ T8666] ? __driver_attach_async_helper+0x330/0x330 [ 190.428908][ T8666] ? kobject_uevent_env+0x2bb/0x1680 [ 190.434226][ T8666] bus_probe_device+0x1e4/0x290 executing program [ 190.436357][ T7] usb 2-1: config 0 descriptor?? [ 190.439121][ T8666] device_add+0xbc4/0x1d90 [ 190.439164][ T8666] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 190.439192][ T8666] ? kfree+0xdb/0x360 [ 190.439217][ T8666] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 190.439255][ T8666] usb_new_device.cold+0x71d/0xfe9 [ 190.439295][ T8666] ? hub_disconnect+0x510/0x510 [ 190.475086][ T8666] ? rwlock_bug.part.0+0x90/0x90 [ 190.480328][ T8666] ? _raw_spin_unlock_irq+0x1f/0x40 [ 190.485561][ T8666] hub_event+0x2348/0x42d0 [ 190.487744][ T8487] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 190.490032][ T8666] ? hub_port_debounce+0x3b0/0x3b0 [ 190.490072][ T8666] ? lock_release+0x710/0x710 [ 190.507352][ T8666] ? lock_downgrade+0x6d0/0x6d0 [ 190.512255][ T8666] ? do_raw_spin_lock+0x120/0x2b0 [ 190.517357][ T8666] process_one_work+0x98d/0x15f0 [ 190.522362][ T8666] ? pwq_dec_nr_in_flight+0x320/0x320 [ 190.527790][ T8666] ? rwlock_bug.part.0+0x90/0x90 [ 190.532759][ T8666] ? _raw_spin_lock_irq+0x41/0x50 executing program [ 190.537821][ T8666] worker_thread+0x82b/0x1120 [ 190.542547][ T8666] ? __kthread_parkme+0x13f/0x1e0 [ 190.548294][ T8666] ? process_one_work+0x15f0/0x15f0 [ 190.553518][ T8666] kthread+0x3b1/0x4a0 [ 190.557607][ T8666] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 190.563529][ T8666] ret_from_fork+0x1f/0x30 [ 190.571455][ T34] hso 6-1:0.0: Failed to find BULK IN ep [ 190.585125][ T34] usb-storage 6-1:0.0: USB Mass Storage device detected [ 190.593939][ T8487] CPU: 0 PID: 8487 Comm: kworker/0:4 Not tainted 5.11.0-rc2-syzkaller #0 [ 190.599089][ T3454] usb 4-1: USB disconnect, device number 7 [ 190.602548][ T8487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 190.618552][ T8487] Workqueue: usb_hub_wq hub_event [ 190.623714][ T8487] Call Trace: [ 190.627062][ T8487] dump_stack+0x107/0x163 [ 190.631428][ T8487] sysfs_warn_dup.cold+0x1c/0x29 [ 190.636401][ T8487] sysfs_do_create_link_sd+0x11e/0x140 [ 190.641965][ T8487] sysfs_create_link+0x5f/0xc0 [ 190.646761][ T8487] device_add+0x789/0x1d90 [ 190.651222][ T8487] ? lockdep_init_map_waits+0x26a/0x720 [ 190.656871][ T8487] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 190.663666][ T8487] ? __init_waitqueue_head+0x97/0x110 [ 190.669069][ T8487] ? pm_runtime_init+0x2cf/0x3b0 [ 190.674049][ T8487] tty_register_device_attr+0x395/0x7b0 [ 190.679638][ T8487] ? send_break.part.0+0x300/0x300 [ 190.684797][ T8487] ? mark_held_locks+0x9f/0xe0 [ 190.689592][ T8487] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 190.695349][ T8487] ? tty_port_register_device_attr+0xbc/0x110 [ 190.701449][ T8487] hso_serial_common_create+0x124/0x8b0 [ 190.707051][ T8487] ? unpoison_range+0x3a/0x60 [ 190.711774][ T8487] hso_probe+0xef9/0x1f70 [ 190.716136][ T8487] usb_probe_interface+0x315/0x7f0 [ 190.721292][ T8487] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 190.726701][ T8487] really_probe+0x291/0xde0 [ 190.731214][ T8487] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 190.737578][ T8487] driver_probe_device+0x26b/0x3d0 [ 190.742721][ T8487] __device_attach_driver+0x1d1/0x290 [ 190.748108][ T8487] ? driver_allows_async_probing+0x150/0x150 [ 190.754242][ T8487] bus_for_each_drv+0x15f/0x1e0 [ 190.759144][ T8487] ? bus_for_each_dev+0x1d0/0x1d0 [ 190.764201][ T8487] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 190.770046][ T8487] ? lockdep_hardirqs_on+0x79/0x100 [ 190.775274][ T8487] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 190.781100][ T8487] __device_attach+0x228/0x4a0 [ 190.785904][ T8487] ? __driver_attach_async_helper+0x330/0x330 [ 190.791986][ T8487] ? kobject_uevent_env+0x2bb/0x1680 [ 190.797292][ T8487] bus_probe_device+0x1e4/0x290 [ 190.802271][ T8487] device_add+0xbc4/0x1d90 [ 190.806719][ T8487] ? wait_for_completion_io+0x260/0x260 [ 190.812278][ T8487] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 190.818532][ T8487] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 190.824353][ T8487] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 190.830625][ T8487] usb_set_configuration+0x113c/0x1910 [ 190.836149][ T8487] usb_generic_driver_probe+0xba/0x100 [ 190.841639][ T8487] usb_probe_device+0xd9/0x2c0 [ 190.846436][ T8487] ? usb_driver_release_interface+0x180/0x180 [ 190.852539][ T8487] really_probe+0x291/0xde0 [ 190.857055][ T8487] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 190.863317][ T8487] driver_probe_device+0x26b/0x3d0 [ 190.868448][ T8487] __device_attach_driver+0x1d1/0x290 [ 190.873851][ T8487] ? driver_allows_async_probing+0x150/0x150 [ 190.879853][ T8487] bus_for_each_drv+0x15f/0x1e0 [ 190.884742][ T8487] ? bus_for_each_dev+0x1d0/0x1d0 [ 190.889799][ T8487] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 190.895642][ T8487] ? lockdep_hardirqs_on+0x79/0x100 [ 190.900865][ T8487] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 190.906702][ T8487] __device_attach+0x228/0x4a0 [ 190.911489][ T8487] ? __driver_attach_async_helper+0x330/0x330 [ 190.917570][ T8487] ? kobject_uevent_env+0x2bb/0x1680 [ 190.922888][ T8487] bus_probe_device+0x1e4/0x290 [ 190.927776][ T8487] device_add+0xbc4/0x1d90 [ 190.932247][ T8487] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 190.938516][ T8487] ? kfree+0xdb/0x360 [ 190.942508][ T8487] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 190.948785][ T8487] usb_new_device.cold+0x71d/0xfe9 [ 190.953941][ T8487] ? hub_disconnect+0x510/0x510 [ 190.958863][ T8487] ? rwlock_bug.part.0+0x90/0x90 [ 190.963823][ T8487] ? _raw_spin_unlock_irq+0x1f/0x40 [ 190.969060][ T8487] hub_event+0x2348/0x42d0 [ 190.973541][ T8487] ? hub_port_debounce+0x3b0/0x3b0 [ 190.978864][ T8487] ? lock_release+0x710/0x710 [ 190.983570][ T8487] ? lock_downgrade+0x6d0/0x6d0 [ 190.988450][ T8487] ? do_raw_spin_lock+0x120/0x2b0 [ 190.993525][ T8487] process_one_work+0x98d/0x15f0 [ 190.998504][ T8487] ? pwq_dec_nr_in_flight+0x320/0x320 [ 191.003915][ T8487] ? rwlock_bug.part.0+0x90/0x90 [ 191.008865][ T8487] ? _raw_spin_lock_irq+0x41/0x50 [ 191.013927][ T8487] worker_thread+0x82b/0x1120 [ 191.018629][ T8487] ? __kthread_parkme+0x13f/0x1e0 [ 191.023691][ T8487] ? process_one_work+0x15f0/0x15f0 [ 191.028919][ T8487] kthread+0x3b1/0x4a0 [ 191.033021][ T8487] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 191.038941][ T8487] ret_from_fork+0x1f/0x30 [ 191.044086][ T8666] usb-storage 3-1:0.0: USB Mass Storage device detected [ 191.058436][ T7] hso 2-1:0.0: Failed to find BULK IN ep executing program [ 191.090041][ T7] usb-storage 2-1:0.0: USB Mass Storage device detected [ 191.135489][ T34] usb 6-1: USB disconnect, device number 6 [ 191.183903][ T8666] usb 3-1: USB disconnect, device number 6 executing program [ 191.247424][ T8758] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 191.260905][ T8758] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 191.274986][ T8758] usb 1-1: Product: syz [ 191.280828][ T8758] usb 1-1: Manufacturer: syz [ 191.285550][ T8758] usb 1-1: SerialNumber: syz [ 191.302173][ T8758] usb 1-1: config 0 descriptor?? [ 191.332564][ T8487] usb-storage 5-1:0.0: USB Mass Storage device detected [ 191.344352][ T3933] usb 2-1: USB disconnect, device number 7 [ 191.415082][ T8487] usb 5-1: USB disconnect, device number 7 [ 191.427440][ T3454] usb 4-1: new high-speed USB device number 8 using dummy_hcd [ 191.507193][ T34] usb 6-1: new high-speed USB device number 7 using dummy_hcd [ 191.567770][ T8666] usb 3-1: new high-speed USB device number 7 using dummy_hcd [ 191.575934][ T8758] hso 1-1:0.0: Failed to find BULK IN ep [ 191.584985][ T8758] usb-storage 1-1:0.0: USB Mass Storage device detected [ 191.697495][ T3933] usb 2-1: new high-speed USB device number 8 using dummy_hcd executing program [ 191.767156][ T8487] usb 5-1: new high-speed USB device number 8 using dummy_hcd [ 191.777721][ T7] usb 1-1: USB disconnect, device number 7 [ 192.037338][ T3454] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 192.046508][ T3454] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 192.055661][ T3454] usb 4-1: Product: syz [ 192.060958][ T3454] usb 4-1: Manufacturer: syz [ 192.065655][ T3454] usb 4-1: SerialNumber: syz [ 192.075866][ T3454] usb 4-1: config 0 descriptor?? [ 192.157384][ T34] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 192.167590][ T34] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 192.175716][ T34] usb 6-1: Product: syz [ 192.181987][ T34] usb 6-1: Manufacturer: syz [ 192.186683][ T34] usb 6-1: SerialNumber: syz [ 192.187518][ T7] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 192.195233][ T34] usb 6-1: config 0 descriptor?? [ 192.207287][ T8666] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 192.216350][ T8666] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 192.217623][ T3933] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 192.229711][ T8666] usb 3-1: Product: syz [ 192.239886][ T8666] usb 3-1: Manufacturer: syz [ 192.244745][ T8666] usb 3-1: SerialNumber: syz [ 192.249125][ T3933] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 192.253926][ T8666] usb 3-1: config 0 descriptor?? [ 192.277677][ T3933] usb 2-1: Product: syz [ 192.283297][ T3933] usb 2-1: Manufacturer: syz [ 192.289804][ T8487] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 192.299123][ T3933] usb 2-1: SerialNumber: syz [ 192.303979][ T8487] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 192.317912][ T3933] usb 2-1: config 0 descriptor?? [ 192.323542][ T8487] usb 5-1: Product: syz [ 192.333987][ T8487] usb 5-1: Manufacturer: syz [ 192.339556][ T8487] usb 5-1: SerialNumber: syz [ 192.355829][ T8487] usb 5-1: config 0 descriptor?? [ 192.369227][ T3454] hso 4-1:0.0: Failed to find BULK IN ep [ 192.394161][ T3454] usb-storage 4-1:0.0: USB Mass Storage device detected [ 192.478231][ T34] hso 6-1:0.0: Failed to find BULK IN ep [ 192.486522][ T34] usb-storage 6-1:0.0: USB Mass Storage device detected [ 192.518894][ T8666] hso 3-1:0.0: Failed to find BULK IN ep [ 192.527921][ T8666] usb-storage 3-1:0.0: USB Mass Storage device detected executing program [ 192.599823][ T3933] hso 2-1:0.0: Failed to find BULK IN ep [ 192.601593][ T8758] usb 4-1: USB disconnect, device number 8 [ 192.631317][ T3933] usb-storage 2-1:0.0: USB Mass Storage device detected [ 192.639074][ T8487] hso 5-1:0.0: Failed to find BULK IN ep [ 192.655499][ T8487] general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] PREEMPT SMP KASAN [ 192.667408][ T8487] KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067] [ 192.675822][ T8487] CPU: 0 PID: 8487 Comm: kworker/0:4 Not tainted 5.11.0-rc2-syzkaller #0 [ 192.684240][ T8487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 192.694297][ T8487] Workqueue: usb_hub_wq hub_event [ 192.699341][ T8487] RIP: 0010:cdev_del+0x22/0x90 [ 192.704145][ T8487] Code: b5 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 b3 97 b1 ff 48 8d 7d 64 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 4f 48 [ 192.723765][ T8487] RSP: 0018:ffffc900019ff150 EFLAGS: 00010207 [ 192.727331][ T8666] usb 3-1: USB disconnect, device number 7 [ 192.729843][ T8487] RAX: dffffc0000000000 RBX: ffff888011392b00 RCX: 0000000000000000 [ 192.745893][ T8487] RDX: 000000000000000c RSI: ffffffff81c0dded RDI: 0000000000000064 [ 192.753877][ T8487] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ebda80f [ 192.761853][ T8487] R10: ffffffff840bd80f R11: 000000000000014e R12: ffff888011392b08 [ 192.769831][ T8487] R13: ffff88801b326000 R14: 0000000000000000 R15: ffff888024ac7070 [ 192.777801][ T8487] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 192.786727][ T8487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 192.793316][ T8487] CR2: 00005649933e5f88 CR3: 000000001d647000 CR4: 00000000001506f0 [ 192.801285][ T8487] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 192.809286][ T8487] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 192.817266][ T8487] Call Trace: [ 192.820532][ T8487] tty_unregister_device+0x112/0x1b0 [ 192.825824][ T8487] hso_probe.cold+0x70/0x16a [ 192.830420][ T8487] usb_probe_interface+0x315/0x7f0 [ 192.835532][ T8487] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 192.840904][ T8487] really_probe+0x291/0xde0 [ 192.845407][ T8487] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 192.851653][ T8487] driver_probe_device+0x26b/0x3d0 [ 192.856747][ T8487] __device_attach_driver+0x1d1/0x290 [ 192.862123][ T8487] ? driver_allows_async_probing+0x150/0x150 [ 192.868132][ T8487] bus_for_each_drv+0x15f/0x1e0 [ 192.872989][ T8487] ? bus_for_each_dev+0x1d0/0x1d0 [ 192.878060][ T8487] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 192.883870][ T8487] ? lockdep_hardirqs_on+0x79/0x100 [ 192.889087][ T8487] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 192.894897][ T8487] __device_attach+0x228/0x4a0 [ 192.899661][ T8487] ? __driver_attach_async_helper+0x330/0x330 [ 192.905810][ T8487] ? kobject_uevent_env+0x2bb/0x1680 [ 192.911184][ T8487] bus_probe_device+0x1e4/0x290 [ 192.916036][ T8487] device_add+0xbc4/0x1d90 [ 192.920457][ T8487] ? wait_for_completion_io+0x260/0x260 [ 192.925984][ T8487] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 192.932218][ T8487] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 192.938007][ T8487] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 192.944245][ T8487] usb_set_configuration+0x113c/0x1910 [ 192.949704][ T8487] usb_generic_driver_probe+0xba/0x100 [ 192.955158][ T8487] usb_probe_device+0xd9/0x2c0 [ 192.959919][ T8487] ? usb_driver_release_interface+0x180/0x180 [ 192.965984][ T8487] really_probe+0x291/0xde0 [ 192.970467][ T8487] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 192.976706][ T8487] driver_probe_device+0x26b/0x3d0 [ 192.981798][ T8487] __device_attach_driver+0x1d1/0x290 [ 192.987169][ T8487] ? driver_allows_async_probing+0x150/0x150 [ 192.993146][ T8487] bus_for_each_drv+0x15f/0x1e0 [ 192.997996][ T8487] ? bus_for_each_dev+0x1d0/0x1d0 [ 193.003023][ T8487] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 193.008817][ T8487] ? lockdep_hardirqs_on+0x79/0x100 [ 193.014036][ T8487] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 193.019846][ T8487] __device_attach+0x228/0x4a0 [ 193.024609][ T8487] ? __driver_attach_async_helper+0x330/0x330 [ 193.030672][ T8487] ? kobject_uevent_env+0x2bb/0x1680 [ 193.035952][ T8487] bus_probe_device+0x1e4/0x290 [ 193.040833][ T8487] device_add+0xbc4/0x1d90 [ 193.045280][ T8487] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 193.051553][ T8487] ? kfree+0xdb/0x360 [ 193.055535][ T8487] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 193.061775][ T8487] usb_new_device.cold+0x71d/0xfe9 [ 193.066887][ T8487] ? hub_disconnect+0x510/0x510 [ 193.071720][ T8487] ? rwlock_bug.part.0+0x90/0x90 [ 193.076656][ T8487] ? _raw_spin_unlock_irq+0x1f/0x40 [ 193.081837][ T8487] hub_event+0x2348/0x42d0 [ 193.086258][ T8487] ? hub_port_debounce+0x3b0/0x3b0 [ 193.091357][ T8487] ? lock_release+0x710/0x710 [ 193.096028][ T8487] ? lock_downgrade+0x6d0/0x6d0 [ 193.100908][ T8487] ? do_raw_spin_lock+0x120/0x2b0 [ 193.106206][ T8487] process_one_work+0x98d/0x15f0 [ 193.111130][ T8487] ? pwq_dec_nr_in_flight+0x320/0x320 [ 193.116504][ T8487] ? rwlock_bug.part.0+0x90/0x90 [ 193.121443][ T8487] ? _raw_spin_lock_irq+0x41/0x50 [ 193.126454][ T8487] worker_thread+0x82b/0x1120 [ 193.131132][ T8487] ? __kthread_parkme+0x13f/0x1e0 [ 193.136155][ T8487] ? process_one_work+0x15f0/0x15f0 [ 193.141505][ T8487] kthread+0x3b1/0x4a0 [ 193.145582][ T8487] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 193.151475][ T8487] ret_from_fork+0x1f/0x30 executing program executing program executing program executing program [ 193.155919][ T8487] Modules linked in: [ 193.168624][ T8487] ---[ end trace 3347466222586563 ]--- [ 193.174232][ T8487] RIP: 0010:cdev_del+0x22/0x90 [ 193.180162][ T8487] Code: b5 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 b3 97 b1 ff 48 8d 7d 64 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 4f 48 [ 193.219060][ T7] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 193.250162][ T3933] usb 2-1: USB disconnect, device number 8 [ 193.257429][ T7] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 193.267809][ T8487] RSP: 0018:ffffc900019ff150 EFLAGS: 00010207 [ 193.280442][ T8487] RAX: dffffc0000000000 RBX: ffff888011392b00 RCX: 0000000000000000 [ 193.289148][ T7] usb 1-1: Product: syz [ 193.293443][ T7] usb 1-1: Manufacturer: syz [ 193.298956][ T8487] RDX: 000000000000000c RSI: ffffffff81c0dded RDI: 0000000000000064 [ 193.307593][ T7] usb 1-1: SerialNumber: syz [ 193.312574][ T8487] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ebda80f [ 193.323740][ T7] usb 1-1: config 0 descriptor?? [ 193.329340][ T8487] R10: ffffffff840bd80f R11: 000000000000014e R12: ffff888011392b08 [ 193.339667][ T8487] R13: ffff88801b326000 R14: 0000000000000000 R15: ffff888024ac7070 [ 193.348047][ T8487] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 193.357038][ T8487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 193.364384][ T8487] CR2: 00007f7d41902000 CR3: 0000000025842000 CR4: 00000000001506f0 [ 193.373515][ T8487] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 193.382079][ T8487] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 193.390521][ T8487] Kernel panic - not syncing: Fatal exception [ 193.397064][ T8487] Kernel Offset: disabled [ 193.401393][ T8487] Rebooting in 86400 seconds..